697656960 has 768 divisors, whose sum is σ = 3261323520. Its totient is φ = 133816320.

The previous prime is 697656959. The next prime is 697656989. The reversal of 697656960 is 69656796.

697656960 is a `hidden beast` number, since 6 + 9 + 76 + 569 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 697656897 and 697656906.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 1430 × 1386 × 352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53665914 + ... + 53665926.

It is an arithmetic number, because the mean of its divisors is an integer number (4246515).

Almost surely, 2^697656960 is an apocalyptic number.

697656960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697656960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630661760).

697656960 is an abundant number, since it is smaller than the sum of its proper divisors (2563666560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697656960 is a wasteful number, since it uses less digits than its factorization.

697656960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The square root of 697656960 is about 26413.1967016490. The cubic root of 697656960 is about 886.9122302741.

It can be divided in two parts, 6976 and 56960, that added together give a palindrome (63936).

The spelling of 697656960 in words is "six hundred ninety-seven million, six hundred fifty-six thousand, nine hundred sixty".